nbd: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Package	Vulnerable versions	Unaffected versions	Architecture(s)
sys-block/nbd	< 2.9.22	>= 2.9.22	All supported architectures

Related bugreports: #353097, #372891

Multiple vulnerabilities were found in nbd, which could lead to remote execution of arbitrary code.

2. Impact Information

nbd is a userland client/server for kernel network block device.

Multiple vulnerabilities have been discovered in nbd. Please review the CVE identifiers referenced below for details.

nbd allows remote attackers to cause a denial of service (NULL pointer dereference and crash) or the execution of arbitrary code.

3. Resolution Information

There is no known workaround at this time.

All nbd users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=sys-block/nbd-2.9.22"

4. References

Page updated June 25, 2012

Summary: This is a Gentoo Linux Security Advisory

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